APA (7th ed.) Citation

Seeland, D. A. (1993). Origin of thick Lower Tertiary coal beds in the Powder River Basin, Wyoming and Montana--some paleogeographic constraints. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Seeland, David A. Origin of Thick Lower Tertiary Coal Beds in the Powder River Basin, Wyoming and Montana--some Paleogeographic Constraints. Washington: U.S. G.P.O., 1993.

MLA (9th ed.) Citation

Seeland, David A. Origin of Thick Lower Tertiary Coal Beds in the Powder River Basin, Wyoming and Montana--some Paleogeographic Constraints. U.S. G.P.O., 1993.